制冷體系正常運轉后,內循環水泵將蓄冰池內的水輸送至板冰機蒸發器頂部的灑水槽處,經過灑水槽將水均勻的灑在板冰機蒸發器的外外表,與板冰機蒸發器內部的制冷劑熱交換,部分水在板冰機蒸發器上結冰,沒有結冰的水落入蓄冰池內,再次循環。
在空調工況下,制冷量相同動態冰蓄冷體系與空調機組比較,壓縮冷凝機組、冷卻塔體系、蒸發器的的總本錢相差不大,而動態冰蓄冷體系僅須增加一個蓄冰池,蓄冰池可采用土建方式或鋼架結構,順便保溫層,但本錢較低。
該體系的根本組成是以制冰機作為制冷設備,以保溫的槽體作為冰蓄冷設備,制冷機安裝在蓄冰槽上方,在若干塊平行板內通入制冷劑作為蒸發器。循環水泵不斷將蓄冰槽中的水抽出送到蒸發器的上方噴灑而下,在平板狀蒸發器外表結成一層薄冰,待冰層達到一定厚度(一般在3~6.5mm之間)時,制冰設備中的四通換向閥切換,使壓縮機的排氣直接進入蒸發器而加熱板面,使冰脫落。
冰蓄冷槽蓄冷進程:在市電低谷時段敞開冷水機組,以低溫水的形式儲存在蓄冷槽中。(敞開蓄冷水槽、蓄冷泵、V4、V6、主機、V5、V3),蓄冷槽放冷進程:在白天頂峰時段敞開放冷泵,運轉水蓄冷體系,將低溫水供向空調末端。(敞開蓄冷水槽、V1、放冷泵、V5、V7、分水器——集水器、V4、V2)邊蓄邊供進程:在蓄冷進程中,啟動冷凍循環泵,冷水機組能夠向用戶供冷,蓄冷槽和主機供冷是兩個獨立的環路,彼此沒有影響。
After the normal operation of the refrigeration system, the internal circulation water pump will deliver the water in the ice storage tank to the sprinkling tank on the top of the ice machine evaporator, and spray the water evenly on the external surface of the ice machine evaporator through the sprinkling tank, and exchange heat with the refrigerant inside the ice machine evaporator. Some water will freeze on the ice machine evaporator, and no frozen water will fall into the ice storage tank, and then circulate again.
Under the condition of air conditioning, the total cost of compressor condensing unit, cooling tower system and evaporator is almost the same compared with that of air conditioning unit, while the dynamic ice storage system only needs to add one ice storage tank, which can be constructed by civil engineering or steel frame structure, by the way of insulation layer, but the cost is lower.
The basic composition of the system is that the ice maker is used as the refrigeration equipment, the insulated tank is used as the ice storage equipment, the refrigerator is installed above the ice storage tank, and the refrigerant is introduced into several parallel plates as the evaporator. The circulating water pump continuously draws out the water in the ice storage tank and sends it to the upper part of the evaporator for spraying, and forms a thin layer of ice on the surface of the flat evaporator. When the ice layer reaches a certain thickness (generally between 3-6.5mm), the four-way reversing valve in the ice making equipment switches, so that the exhaust gas of the compressor directly enters the evaporator and heats the plate surface, so that the ice falls off.
Cold storage process of ice storage tank: open the chiller in the low period of municipal power supply and store it in the form of low temperature water. (open the cold storage tank, cold storage pump, V4, V6, main engine, V5, V3), cold storage tank cooling process: open the cold pump at the peak of the day, operate the water cold storage system, and supply the low-temperature water to the end of the air conditioner. (open cold storage tank, V1, drain pump, V5, V7, water separator - water collector, V4, V2) process of side storage and side supply: in the process of cold storage, start the refrigeration circulating pump, the water chiller can supply cold to the user, the cold storage tank and the main engine are two independent loops, which have no impact on each other.